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/*
* Copyright (C) 2011 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "third_party/blink/renderer/modules/webgl/webgl_context_object.h"
#include "third_party/blink/renderer/modules/webgl/webgl_rendering_context_base.h"
namespace blink {
WebGLContextObject::WebGLContextObject(WebGLRenderingContextBase* context)
: WebGLObject(context), context_(context) {}
bool WebGLContextObject::Validate(
const WebGLContextGroup*,
const WebGLRenderingContextBase* context) const {
// The contexts and context groups no longer maintain references to all
// the objects they ever created, so there's no way to invalidate them
// eagerly during context loss. The invalidation is discovered lazily.
return context == context_ &&
CachedNumberOfContextLosses() == context->NumberOfContextLosses();
}
uint32_t WebGLContextObject::CurrentNumberOfContextLosses() const {
return context_->NumberOfContextLosses();
}
gpu::gles2::GLES2Interface* WebGLContextObject::GetAGLInterface() const {
return context_->ContextGL();
}
void WebGLContextObject::Trace(Visitor* visitor) {
visitor->Trace(context_);
WebGLObject::Trace(visitor);
}
} // namespace blink
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